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Inspections of flare stacks and other combustion devices Inspections of flare stacks or other combustion devices shall include a comprehensive Audio, Visual and Olfactory inspection, including external visual inspection of flare stacks or other combustion devices, listening for pressure and liquid leaks and smelling for unusual and strong odours. The following observations shall be included in the report:

(1) in the case of lit flare stacks or other combustion devices: whether combustion is considered adequate or inadequate;

(2) in the case of unlit flare stacks or other combustion devices: whether the unlit flare has a gas vent or not; where the flare stack or other combustion device is equipped with a remote or automated monitoring system, methane emissions shall be calculated on the basis of the flow rate and uncombusted methane in case there is a gas vent.

For the purposes of point (1), inadequate combustion means combustion with visible emissions that exceed a total of 5 minutes during any 2 consecutive hours or, in the case of a flare stack or other combustion device equipped with a remote or automated monitoring system, combustion with visible emissions that exceed a total of 5 minutes during any 2 consecutive hours recorded on a live basis.